Dorman CM640021 Clutch Master Cylinder

Reliable Clutch Master Cylinder for Nissan Frontier and Xterra

The Dorman CM640021 clutch master cylinder is designed as a standard replacement part for manual transmission systems. Engineered with a 0.625-inch bore diameter, this component ensures consistent hydraulic pressure for smooth clutch operation in Nissan Frontier and Xterra models.

• Standard replacement grade for dependable performance
• 0.625-inch bore diameter optimized for precise hydraulic control
• Includes clutch master cylinder unit ready for installation
• Compatible with Nissan Frontier and Nissan Xterra manual transmissions
• Durable construction to maintain clutch system integrity

Product Details and Specifications

The Dorman CM640021 clutch master cylinder is manufactured to meet OEM specifications, providing a reliable solution for manual transmission maintenance. Its 0.625-inch bore diameter is critical for maintaining the correct hydraulic pressure needed to engage and disengage the clutch smoothly. This standard replacement part is designed to restore clutch pedal feel and responsiveness, helping to prevent issues such as clutch slippage or difficulty shifting. The package contains the clutch master cylinder itself, ready to be installed without additional components.

Compatible Vehicles and Applications

This clutch master cylinder is compatible with Nissan Frontier and Nissan Xterra models equipped with manual transmissions. It is specifically engineered to fit these vehicles, ensuring proper function and fitment. Using the Dorman CM640021 part number guarantees you receive the correct component for your vehicle’s clutch hydraulic system.

• Restores proper clutch pedal pressure and travel
• Eliminates clutch engagement problems such as slipping or sticking
• Prevents hydraulic fluid leaks in the clutch system
• Addresses issues with clutch pedal sinking or sponginess
• Improves overall manual transmission shifting performance

Installation Notes and Tips

Installation of the Dorman CM640021 clutch master cylinder requires basic mechanical knowledge and tools. It is important to properly bleed the clutch hydraulic system after installation to remove any air pockets and ensure optimal performance. Inspect the clutch slave cylinder and hydraulic lines during installation to confirm there are no additional leaks or damage. Follow vehicle-specific service manual instructions for torque specifications and safety precautions.

Quality Assurance and Warranty

Dorman manufactures the CM640021 clutch master cylinder to meet industry standards for durability and reliability. This standard replacement part undergoes quality control testing to ensure consistent performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.